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The oldest mass migration known

The oldest mass migration known

BBC Earth

Image:  Katrina Koger

Is this a real example of the blind leading the blind?

A group of geologists think they have found evidence that eyeless “woodlice”, known as trilobites, marched across the ocean floor in prehistoric conga lines.

The animal queues are uncannily reminiscent of the migratory chains that some lobsters form on the seafloor today. But other researchers think it is unlikely that such fragile chains have been preserved. Read more on the BBC Earth website…